731894 has 8 divisors (see below), whose sum is σ = 1111320. Its totient is φ = 361456.

The previous prime is 731893. The next prime is 731909. The reversal of 731894 is 498137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 731894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (138915).

2⁷³¹⁸⁹⁴ is an apocalyptic number.

731894 is a deficient number, since it is larger than the sum of its proper divisors (379426).

731894 is a wasteful number, since it uses less digits than its factorization.

731894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494.

The product of its digits is 6048, while the sum is 32.

The square root of 731894 is about 855.5080361984. The cubic root of 731894 is about 90.1189374020.

The spelling of 731894 in words is "seven hundred thirty-one thousand, eight hundred ninety-four".